On 10.03.2010 13:26, Mark Heckmann wrote:
> I have the following function that makes use of lazy loading.
I guess you mean *lazy evaluation* rather than *lazy loading* (as used
in loading functions or data from the package databases).
> foo <- function(x=2*y, y=x/2) cat(x,y)
>> Now I want to be able to modify it like below:
>> foo(y=x/3)
You really want to *modify* the list of formal arguments like that or do
you want to *call* it like that?
> Of course, this does not work as the object x is not known.
Right.
> Still I
> would like to be able to pass a function as an argument that is
> evaluated using lazy loading.
If you rephrase your question more exactly and give a more elaborated
example where you want to make use of it, we may be able to help, but I
do not want to answer based on speculations here.
Best,
Uwe Ligges
> Can someone help?
>> Thanks,
> Mark
> –––––––––––––––––––––––––––––––––––––––
> Mark Heckmann
> Dipl. Wirt.-Ing. cand. Psych.
> Vorstraße 93 B01
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> Blog: www.markheckmann.de
> R-Blog: http://ryouready.wordpress.com>> ______________________________________________
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